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CN111286616A - Recycling device and method for battery raw material waste residues - Google Patents

Recycling device and method for battery raw material waste residues Download PDF

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Publication number
CN111286616A
CN111286616A CN202010214228.6A CN202010214228A CN111286616A CN 111286616 A CN111286616 A CN 111286616A CN 202010214228 A CN202010214228 A CN 202010214228A CN 111286616 A CN111286616 A CN 111286616A
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CN
China
Prior art keywords
raw material
rotary kiln
waste residue
material waste
battery raw
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Pending
Application number
CN202010214228.6A
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Chinese (zh)
Inventor
卢伟
张虎堂
要东风
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Shanghai Zosum Environment Co ltd
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Shanghai Zosum Environment Co ltd
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Priority to CN202010214228.6A priority Critical patent/CN111286616A/en
Publication of CN111286616A publication Critical patent/CN111286616A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention provides a recycling device of battery raw material waste residues, which comprises a packaging machine, a lifting machine, a rotary kiln, a burner, a heat exchanger and a chain conveyor, wherein a discharge port of the packaging machine is opposite to the lifting machine, the lifting machine is used for feeding the battery raw material waste residues packaged into bags by the packaging machine into a feed port of the rotary kiln, the burner is arranged at the feed port of the rotary kiln, a smoke outlet of the rotary kiln is connected with the heat exchanger, and the chain conveyor is positioned below the discharge end of the rotary kiln. The invention also provides a recycling method of the battery raw material waste residue, which comprises three steps. The method is beneficial to the recovery of valuable metals such as tungsten, cobalt, tantalum, niobium and the like in the waste residue of the raw materials of the battery; and in the waste residue treatment process, the heat value in the waste residue is converted into heat which can be reused, so that the conversion rate and the recovery rate of the battery raw material waste residue are improved, and the waste residue resource maximization can be realized.

Description

Recycling device and method for battery raw material waste residues
Technical Field
The invention relates to a device and a method for recycling battery raw material waste residues, and belongs to the technical field of recycling of battery raw material waste residues.
Background
In recent years, with the increasing temperature of the global electric automobile market, the demand of the ternary lithium battery is greatly increased. Cobalt is one of the important anode materials in the ternary lithium battery, but the resource is scarce.
In the extraction process of cobalt extraction, a large amount of waste residues are generated, the main generation reason of the waste residues is organic degradation, the waste residues are gradually flocculated into lumps after the degradation, and a large amount of organic components and valuable metals are carried, so that the waste residues have a certain heat value and recovery value. In the prior art, the waste residue of the battery raw material is not further treated, so that the direct stacking of the waste residue generated in the extraction process of cobalt extraction not only occupies a large amount of land, but also causes pollution hidden trouble to the environment; meanwhile, valuable metals contained in the waste slag, such as: tungsten, cobalt, tantalum, niobium, etc., are not further recycled.
Disclosure of Invention
The invention aims to provide a recycling device for battery raw material waste residues, which can be used for recycling extracted battery waste residues again and realize the maximum utilization of battery waste residue resources.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a device for recycling battery raw material waste residues comprises a packaging machine, a lifting machine, a rotary kiln, a burner, a heat exchanger and a chain conveyor, wherein a discharge port of the packaging machine is opposite to the lifting machine, the lifting machine is used for feeding the battery raw material waste residues packaged into bags by the packaging machine into a feed port of the rotary kiln, the burner is arranged at the feed port of the rotary kiln and provides a heat source for the rotary kiln,
the smoke outlet of the rotary kiln is connected with the heat exchanger, and the chain conveyor is positioned below the discharge end of the rotary kiln.
Further, the included angle between the kiln body of the rotary kiln 3 and the horizontal plane is 1.5 degrees.
Further, the burner is installed below the feeding port of the rotary kiln.
The device for recycling the battery raw material waste residue has the working principle that the battery raw material waste residue is packaged by a packaging machine and then is sent into a rotary kiln, the waste residue is dried, pyrolyzed and calcined at high temperature in the rotary kiln under the combustion supporting of a burner, and the completely combusted residue falls into a downstream chain conveyor along with the rotation of the rotary kiln and then is subjected to subsequent recycling treatment; the high-temperature flue gas of the system enters the flue gas purification system after being subjected to heat exchange by the heat exchanger, so that the standard emission of the flue gas of the system is realized.
The invention also provides a recycling method of the waste residue of the battery raw material, which comprises the following steps:
s1, packaging the battery raw material waste residues into bags by a packaging machine, and metering the amount of materials entering the rotary kiln by the packaging machine to reduce peculiar smell or throw in the waste residue treatment process;
s2, lifting the battery raw material waste residue packaged by the packaging machine to a certain height by a lifter, and then feeding the battery raw material waste residue into a rotary kiln, wherein the battery raw material waste residue is dried, pyrolyzed and calcined at high temperature in the rotary kiln, so that the purposes of reducing and removing impurities from the raw material waste residue are achieved;
s3, enabling the flue gas generated in the step S2 to enter a heat exchanger, recycling heat through the heat exchanger, and then entering a flue gas purification system; and simultaneously, the fully calcined battery raw material waste residue falls into a chain conveyor from the discharge end of the rotary kiln and is conveyed to a downstream treatment process.
Further, in step S1, each of the packaging bags packed by the packing machine weighs 25 kg.
Further, in step S2, the retention time of the waste residue of the battery raw material in the rotary kiln is 30-40 minutes.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the waste residues of the battery raw materials are dried, pyrolyzed and calcined at high temperature in the rotary kiln, so that the waste residues are harmless, reduced and impurity-removed, and the recovery of valuable metals such as tungsten, cobalt, tantalum, niobium and the like in the waste residues of the battery raw materials is facilitated; and in the waste residue treatment process, the heat value in the waste residue is converted into heat which can be reused, so that the conversion rate and the recovery rate of the battery raw material waste residue are improved, and the waste residue resource maximization can be realized.
2. The rotary kiln is applied to the treatment of the waste residues of the battery raw materials for the first time, and the waste residues of the battery raw materials are fully mixed and fully calcined in the rotary kiln.
3. The invention can reduce the stacking occupied area of the waste residues of the raw materials of the battery, reduce the potential safety hazard of the waste residues of the raw materials of the battery to the environment and realize the continuous and resource treatment of the waste residues of the raw materials of the battery.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.
Combine shown in figure 1, a recycle device of battery raw material waste residue, including packagine machine 1, lifting machine 2, rotary kiln 3, combustor 4, heat exchanger 5 and chain conveyor 6, packagine machine 1's discharge gate is relative with the lifting machine, lifting machine 2 is used for sending into rotary kiln 3's feed inlet with the battery raw material waste residue of 1 packing bagging-off of packagine machine, combustor 4 is installed in the below of rotary kiln 3's feed inlet department, and rotary kiln 3's exhanst gas outlet is connected with heat exchanger 5, chain conveyor 6 is located the below of rotary kiln 3 discharge end. The retention time of the battery raw material waste residue in the rotary kiln 3 can be realized by changing the rotating speed of the rotary kiln 3 so as to achieve the optimal calcination effect of the battery raw material waste in the rotary kiln 3, and the included angle between the kiln body of the rotary kiln 3 and the horizontal plane is preferably 1.5 degrees.
The invention provides a method for recycling battery raw material waste residues, which comprises the following steps:
s1, packaging the battery raw material waste residues into bags by a packaging machine 1, reducing peculiar smell or throwing in the waste residue treatment process, metering the material amount entering the rotary kiln by the packaging machine, wherein the weight of the waste residues in each packaging bag can be set by the packaging machine 1 and is used for counting the waste residue treatment amount;
s2, the battery raw material waste residue packaged by the packaging machine 1 is lifted by the lifter 2 to a certain height and then enters the rotary kiln 3, the battery raw material waste residue makes axial and rotary motion along with the rotation of the rotary kiln 3, so that the battery raw material waste residue is fully mixed and fully calcined in the rotary kiln 3, the waste residue is dried, pyrolyzed and calcined in the rotary kiln 3 at high temperature, the retention time of the battery raw material waste residue in the rotary kiln 3 can be realized by changing the rotating speed of the rotary kiln 3, and the preferred retention time of the battery raw material waste residue in the rotary kiln is 30-40 minutes. So as to achieve the best calcining effect of the battery raw material waste in the rotary kiln 3. The waste residues of the battery raw materials are fully calcined by the rotary kiln 3, so that the purposes of harmlessness, reduction and impurity removal of the waste residues of the battery raw materials are realized, and the recovery of valuable metals such as cobalt and the like in the waste residues of the battery raw materials is facilitated;
s3, enabling the flue gas generated in the step S2 to enter a heat exchanger 5, recovering heat through the heat exchanger 5 for other purposes, and then enabling the flue gas to enter a flue gas purification system to achieve standard emission of the flue gas of the system; meanwhile, the fully calcined battery raw material waste residue falls into a chain conveyor 6 from the discharge end of the rotary kiln 3 and is conveyed to a downstream processing procedure.
According to the invention, the waste residues of the battery raw materials are dried, pyrolyzed and calcined at high temperature in the rotary kiln, so that the waste residues are harmless, reduced and impurity-removed, and the recovery of valuable metals such as tungsten, cobalt, tantalum, niobium and the like in the waste residues of the battery raw materials is facilitated; and in the waste residue treatment process, the heat value in the waste residue is converted into heat which can be reused, so that the conversion rate and the recovery rate of the battery raw material waste residue are improved, and the waste residue resource maximization can be realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.

Claims (6)

1. The utility model provides a recycle device of battery raw materials waste residue which characterized in that:
comprises a packaging machine, a lifter, a rotary kiln, a burner, a heat exchanger and a chain conveyor, wherein a discharge port of the packaging machine is opposite to the lifter, the lifter is used for feeding the battery raw material waste slag packaged into bags by the packaging machine into a feed port of the rotary kiln, the burner is arranged at the feed port of the rotary kiln,
the smoke outlet of the rotary kiln is connected with the heat exchanger, and the chain conveyor is positioned below the discharge end of the rotary kiln.
2. The apparatus for recycling battery raw material waste residue according to claim 1, characterized in that:
the included angle between the rotary kiln body and the horizontal plane is 1.5 degrees.
3. The apparatus for recycling battery raw material waste residue according to claim 1, characterized in that:
the combustor is arranged below a feed inlet of the rotary kiln.
4. A method for recycling battery raw material waste residues is characterized by comprising the following steps:
s1, packaging the battery raw material waste residues into bags by a packaging machine, and metering the amount of materials entering the rotary kiln by the packaging machine to reduce peculiar smell or throw in the waste residue treatment process;
s2, lifting the battery raw material waste residue packaged by the packaging machine to a certain height by a lifter, and then feeding the battery raw material waste residue into a rotary kiln, wherein the battery raw material waste residue is dried, pyrolyzed and calcined at high temperature in the rotary kiln, so that the purposes of reducing and removing impurities from the raw material waste residue are achieved;
s3, enabling the flue gas generated in the step S2 to enter a heat exchanger, recovering heat through the heat exchanger for use, and then enabling the flue gas to enter a flue gas purification system; and simultaneously, the fully calcined battery raw material waste residue falls into a chain conveyor from the discharge end of the rotary kiln and is conveyed to a downstream treatment process.
5. The method for recycling battery raw material waste residue according to claim 4, characterized in that:
in step S1, each of the packages packed by the packing machine weighs 25 kg.
6. The method for recycling battery raw material waste residue according to claim 1, characterized in that:
in step S2, the retention time of the battery raw material waste residue in the rotary kiln is 30 to 40 minutes.
CN202010214228.6A 2020-03-24 2020-03-24 Recycling device and method for battery raw material waste residues Pending CN111286616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010214228.6A CN111286616A (en) 2020-03-24 2020-03-24 Recycling device and method for battery raw material waste residues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010214228.6A CN111286616A (en) 2020-03-24 2020-03-24 Recycling device and method for battery raw material waste residues

Publications (1)

Publication Number Publication Date
CN111286616A true CN111286616A (en) 2020-06-16

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CN202010214228.6A Pending CN111286616A (en) 2020-03-24 2020-03-24 Recycling device and method for battery raw material waste residues

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117003468A (en) * 2023-09-28 2023-11-07 珙县华洁危险废物治理有限责任公司成都分公司 Shale gas drilling oil sludge dry residue treatment device and system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011011A (en) * 2010-09-19 2011-04-13 南京工业大学 Recycling and processing method of low-lead-zinc waste slag
CN103730704A (en) * 2014-01-20 2014-04-16 赣州市豪鹏科技有限公司 Method for treating waste secondary battery
CN205628885U (en) * 2016-04-25 2016-10-12 重庆前跃环境治理有限公司 A calcine production line for recovery processing electrolytic manganese slag
CN107774698A (en) * 2017-10-31 2018-03-09 泰兴市开普蓝环保设备制造有限公司 A kind of old and useless battery anaerobic catalytic cracking system and method
CN207563413U (en) * 2017-10-31 2018-07-03 泰兴市开普蓝环保设备制造有限公司 A kind of old and useless battery anaerobic is catalyzed pyrolysis system
CN211814600U (en) * 2020-03-24 2020-10-30 上海众仕环境科技股份有限公司 Recycling device for battery raw material waste residues

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011011A (en) * 2010-09-19 2011-04-13 南京工业大学 Recycling and processing method of low-lead-zinc waste slag
CN103730704A (en) * 2014-01-20 2014-04-16 赣州市豪鹏科技有限公司 Method for treating waste secondary battery
CN205628885U (en) * 2016-04-25 2016-10-12 重庆前跃环境治理有限公司 A calcine production line for recovery processing electrolytic manganese slag
CN107774698A (en) * 2017-10-31 2018-03-09 泰兴市开普蓝环保设备制造有限公司 A kind of old and useless battery anaerobic catalytic cracking system and method
CN207563413U (en) * 2017-10-31 2018-07-03 泰兴市开普蓝环保设备制造有限公司 A kind of old and useless battery anaerobic is catalyzed pyrolysis system
CN211814600U (en) * 2020-03-24 2020-10-30 上海众仕环境科技股份有限公司 Recycling device for battery raw material waste residues

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117003468A (en) * 2023-09-28 2023-11-07 珙县华洁危险废物治理有限责任公司成都分公司 Shale gas drilling oil sludge dry residue treatment device and system
CN117003468B (en) * 2023-09-28 2023-12-05 珙县华洁危险废物治理有限责任公司成都分公司 Shale gas drilling oil sludge dry residue treatment device and system

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Application publication date: 20200616